2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ncig saib de France tau kawg muaj keeb kwm ruaj khov. Los ntawm nws pib xyoo 1903 txog rau xyoo 1938, qhov kev tshwm sim tau txwv rau ib qho khoom ruaj khov. Qhov no yog nyob ntawm qhov xav tau ntawm tus tswv Henri Desgrange, uas nws lub tswv yim yog tias ntau lub zog tau coj mus deb ntawm qhov purity thiab yooj yim ntawm kev ua si nawv.
Cov neeg caij Tour de France siv dab tsi?
Tab sis dab tsi yog cov iav uas cov kws tshaj lij siv? Tau ntau xyoo cov neeg muaj kev ntseeg siab tau daig nrog 53 / 39t tus qauv chainsets, vim tias lawv sib tw ntawm qhov nrawm heev thiab xav tau lub zog loj.
Puas thaum ntxov Tour de France tsheb kauj vab muaj zog?
Keeb Kwm: Puas Tour de France tsheb kauj vab muaj zog? Yes. Thawj zaug iav tau tso cai hauv TdF yog xyoo 1935. Lub derailleur yog Simplex Champion de France thiab tuaj yeem hloov qhov siab kawg ntawm 3 lub zog, tsuas yog ib tus hniav sib txawv ntawm txhua lub iav!
Thaum twg Tour de France lub tsheb kauj vab tau lub zog?
Ntawm no yog Tour de France Winner Groupsets, txij li 1937, txhua xyoo (kuj qhov nruab nrab nrawm ntawm txhua xyoo tus yeej). Lub tshuab derailleur tau qhia rau Tour de France xyoo 1937, tso cai rau cov neeg caij tsheb hloov lub zog yam tsis tas yuav tshem lub log.
Puas Tour de France cov neeg caij tsheb poob lawv lub ris?
Lawv Ua Li Cas Tam Sim No? Hnub no, cov neeg ncaws pob tseem ceeb tsuas yog tso lawv lub ris thiab txuas ntxiv mus. Thiab qhov zoo tshaj plaws yog tias cov neeg ncaws pob loj tshaj plaws (thaum paub txog nws me ntsis icky) yuavnkag siab qhov kev txhawb siab tom qab tsis nres.
Pom zoo:
Cov iav tsom iav yog dab tsi?
: favorably disposed opinions: qhov muag pom kev pom lub ntiaj teb los ntawm cov tsom iav liab. Puas yog cov tsom iav dub yog qhov phem? Qhov yooj yim: hnav cov tsom iav uas muaj xim liab uas nthuav tawm tag nrho, qhov tsis muaj tseeb yog lwm lo lus rau qhov tsis lees paub.
Lub iav twg yog lub iav tsav thiab qhov twg yog lub iav tsav?
Daim ntawv yooj yim tshaj plaws yog ob lub iav log nrog cov hniav meshing. Nyob rau hauv tag nrho cov gearbox ib lub iav yuav powered. Qhov no hu ua lub iav tsav thiab lwm lub iavyog hu ua lub iav tsav. Lub iav twg yog lub iav tsav? Gear trains with two gears Qhov yooj yim piv txwv ntawm lub tsheb ciav hlau muaj ob lub zog.
Puas yog alice los ntawm iav saib ib phau ntawv?
Alice's Adventures in Wonderland (1865) thiab Los ntawm Saib iav (1871) yog thawj zaug sau rau Alice Liddell, tus ntxhais ntawm tus thawj coj ntawm nws lub tsev kawm ntawv qib siab. Cov phau ntawv ua rau nws muaj koob meej thiab tsis muaj npe.
Puas zoo siab mus ncig ncig ncig?
Yog li ntawd, nws yog ib qho teeb meem rotational motion. Yuav ua li cas ncig ua si nyob rau hauv kev zoo siab mus ncig? Physics qhia peb tias cov khoom nyob rau hauv so xav nyob rau hauv so, thiab cov neeg nyob rau hauv txoj kev xav nyob twj ywm nyob rau hauv lub zog, thiab thaum cov khoom no nyob rau hauv lub zog, lawv ib txwm txav mus rau hauv ib tug ncaj kab.
Puas iav iav puas muaj txhuas?
Lead tsis yog feem ntau ntxiv rau iav ua cov khoom xyaw, tsuas yog siv lead ua, uas tau qhia meej meej ntawm daim ntawv lo. Txawm li cas los xij, txhuas yog nyob txhua qhov chaw hauv ib puag ncig thiab cov khoom siv raw yuav muaj qee qhov kev kis kab mob.
